2. • Revolution
• Rotation
• Fragile Earth
– Earth is only planet, life exist
• Provide materials
• Water from rivers, wood from trees
– Some countries
• Deforestation
• Cut down faster then can be replaced
– Pollution
• Vehicles, industries
– Earth is fragile
• Only our home, can be damaged
• Must care, not take it granted
• We should learn to use Earth’s material wisely & reduce waste.
3. • HW
– The Earth is fragile. What are some things we can
do to protect the Earth?
– Explain Revolution and change of seasons with the
help of diagram.
– Explain Rotation with the help of diagram